| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 2.4° | -14.7° | 3.4mm | 2.3 | 25 |
| February | 6° | -11° | 3.2mm | 2.3 | 36 |
| March | 11.4° | -4.5° | 9.9mm | 3.6 | 56 |
| April | 16.5° | 1° | 22.3mm | 5.7 | 76 |
| May | 20.4° | 5.6° | 51.9mm | 10.3 | 79 |
| June | 23.3° | 8.8° | 67.4mm | 13 | 74 |
| July | 25.4° | 11.4° | 80.2mm | 13.5 | 73 |
| August | 24.3° | 10.9° | 101.7mm | 14 | 72 |
| September | 19.8° | 7.3° | 76.3mm | 13.3 | 73 |
| October | 14.7° | 0.8° | 23.8mm | 7 | 67 |
| November | 8.8° | -6.8° | 5.3mm | 2.5 | 46 |
| December | 3.3° | -12.9° | 1.7mm | 1.5 | 29 |
January in Nianbo averages a daily high of 2.4°C with nights around -14.7°C. Rain is rare — about 2.3 wet days and 3.4mm across the month. A hard month to visit for comfort alone.
February in Nianbo averages a daily high of 6°C with nights around -11°C. Rain is rare — about 2.3 wet days and 3.2mm across the month. Demanding conditions — pack for it and plan indoor options.
March in Nianbo averages a daily high of 11.4°C with nights around -4.5°C. Expect roughly 3.6 wet days totalling 9.9mm. Generally workable, with some weather to plan around.
April in Nianbo averages a daily high of 16.5°C with nights around 1°C. Expect roughly 5.7 wet days totalling 22.3mm. Comfortable conditions for being outdoors all day.
May in Nianbo averages a daily high of 20.4°C with nights around 5.6°C. Expect roughly 10.3 wet days totalling 51.9mm. Comfortable conditions for being outdoors all day.
June in Nianbo averages a daily high of 23.3°C with nights around 8.8°C. Expect roughly 13 wet days totalling 67.4mm. Generally workable, with some weather to plan around.
July in Nianbo averages a daily high of 25.4°C with nights around 11.4°C. Expect roughly 13.5 wet days totalling 80.2mm. Generally workable, with some weather to plan around.
August in Nianbo averages a daily high of 24.3°C with nights around 10.9°C. Expect roughly 14 wet days totalling 101.7mm. Generally workable, with some weather to plan around.
September in Nianbo averages a daily high of 19.8°C with nights around 7.3°C. Expect roughly 13.3 wet days totalling 76.3mm. Generally workable, with some weather to plan around.
October in Nianbo averages a daily high of 14.7°C with nights around 0.8°C. Expect roughly 7 wet days totalling 23.8mm. Generally workable, with some weather to plan around.
November in Nianbo averages a daily high of 8.8°C with nights around -6.8°C. Rain is rare — about 2.5 wet days and 5.3mm across the month. Demanding conditions — pack for it and plan indoor options.
December in Nianbo averages a daily high of 3.3°C with nights around -12.9°C. Rain is rare — about 1.5 wet days and 1.7mm across the month. A hard month to visit for comfort alone.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Nianbo peaks at 79.
Based on 30 years of records, April–September scores highest for comfort in Nianbo, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 25.4°C.
August is the wettest, averaging 101.7mm of rain across roughly 14 wet days.
January is the coolest month, with average daily highs around 2.4°C.